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Effects of ZrO2 nano-particles’ incorporation into SnAgCu solder alloys: an experimental and theoretical study
No full textOur study investigates the mechanism and effects of incorporating different ZrO2 nano-particles into SAC0307 solder alloys.ZrO2 nano-powder and nano-fibers in 0.25 and 0.5 wt% were added to the SAC0307 alloy to prepare composite solder joints by surface mount technology. The ZrO2 had the following dimensions: nano-powder (np) with primary particle sizes of less than 100 nm, and nano-fibers (nf) with diameters of 200–800 nm ± 100 nm and lengths of 2–10 μm (polycrystalline).The solder joints were shear tested before and after a 4000 h long 85 °C/85% RH corrosive reliability test. The solder joints were observed after each 1000 h of the test by a Thermo Scientific Quatro scanning electron microscope (SEM). FIB cuts were prepared and analyzed on the samples by a Thermo Scientific Scios 2 fo-cused ion beam (FIB) to study the microstructure of the solder joints. Elemental compo-sitions were measured by Bruker energy dispersive X-ray spectroscopy (EDS). The potential interaction between Sn and ZrO2 was investigated using density functional theory (DFT) calculations and simulations.The incorporation of ZrO2 nano-particles enhanced the initial shear force of the solder joint, but they decreased the corrosion resistance in the case of 0.5 wt%. SEM, EDS, and FIB analysis revealed intensive growth of SnO2 on the solder joint surfaces, leading to the formation of Sn whiskers. Density functional theory (DFT) simulations showed that, despite Sn being able to bond to the surface of ZrO2, the binding energy was weak, and the whole system was therefore unstable. It was also found that ZrO2 nano-particles refined the microstructure of the solder joints. Decreased β-Sn grain size and more dispersed intermetallic compounds were observed. The microstructural refinement caused mechanical improvement of the ZrO2 composite solder joints by dispersion strengthening but could also decrease their corrosion resistance. While ZrO2 nano-particles im-proved the solder joint mechanical properties, their use is recommended only in non-corrosive environments, such as microelectronics for space applications.The dataset consists:· the published figures in the article in high resolution· supplementary SEM micrographs of the cross-sectioned solder joints· supplementary optical micrographs of the cross-sectioned solder joints </p
Data for publication: "Decolonization processes in Ukrainian YouTube in user-generated content during Russo-Ukrainian war"
No full textThese data concern the article "Decolonization processes in Ukrainian YouTube in user-generated content during Russo-Ukrainian war". The article investigates the processes of cultural decolonization within the Ukrainian YouTube sphere, positioning user-generated content as a significant site of resistance against imperial epistemologies and colonial narratives. The study examines chosen Ukrainian YouTube channels, categorized by audience reach and thematic orientation. The analysis identifies decolonial codes, including the exposure of colonial knowledge systems, cultural reappropriation, and the critique of imperial cultural paradigms. The findings illustrate the role of digital media in the contemporary decolonial process in Ukrainian media, highlighting its impact on epistemic sovereignty during the ongoing Russo-Ukrainian war. Methodology of data collection and analysis: manual non-probability sampling of the YouTube channels, quantitative content analysis, and qualitative computer-assisted content analysis. Transcripts were made by Turboscribe and Notta.ai.</p
Satysfakcja seksualna i poczucie atrakcyjności osób starszych
No full textCelem projektu była eksploracja związku poczucia atrakcyjności z dobrostanem seksualnym w grupie osób po 65 roku życia. Cel ten został zrealizowany za pomocą zgromadzenia danych ilościowych i jakościowych (w ramach wykorzystania modelu mieszanego), do oceny relacji satysfakcji seksualnej i poczucia atrakcyjności, z uwzględnieniem różnic międzypłciowych grupie osób po 65 roku życia.W badaniach ilościowych wzięło udział 114 starszych kobiet (M=68,57 lat, SD = 4,10), oraz148 starszych mężczyzn (M=69,61 lat; SD=4,10) aktywnych seksualnie.W badaniach jakościowych (FGI) wzięło udział 25 kobiet oraz 20 mężczyzn w wieku 60-95 lat. Przeprowadzono 8 wywiadów grupowych zogniskowanych - osobno w grupach kobiet i mężczyzn.W repozytorium zdeponowane są dwie bazy danych oraz pliki opisujące zamieszczone zbiory:baza danych ilościowych (baza_263) oraz szczegółowe informacje o zmiennych w bazie (var_info)transkrypcje z przeprowadzonych wywiadów FGI (FGI_Transkrypcje_ODT), kody wykorzystane do analiz jakościowych danych (FGI_Kody_ciało i starzenie sie) oraz dane demograficzne uczestników FGI (FGI_study_gr_ALL)</ol
Archive of Student Mobility: Students' Notebooks from Peregrinationes Academicae (16–17th cent.)
No full textThe dataset collects student notebooks from the 16th and 17th centuries, specifically those created during international studies identified during archival missions conducted between 2020-2026 by ERC KnowStudents team members. The data collected are in line with the understanding of the notebook–that has been developed within the project–as an individual repository of knowledge. Rather than seeking to stabilise the term 'notebook', the project aims to map its fluid historical reality. This structure ensures thorough documentation for historical analysis while maintaining a consistent approach in data representation.</p
Image features and physicochemical characteristics of 'Mejhoul' cultivar under frozen storage
No full textThis dataset provide numerical data for numerous physicochemical attributes and image features employed to evaluate the behavior of ‘Mejhoul’ cultivar at 0, 2, 4, 6, and 8 months of frozen storage. For more comprehensive understanding of this dataset, please refer to the published paper entitled: "Impact of Prolonged Frozen Storage on ‘Mejhoul’ Date Palm Cultivar Based on Selected Qualitative Characteristics", DOI: https://doi.org/10.3390/horticulturae110707312 datasets based on frozen storage temperature (-10°C and -18°C) are given.</p
Raw data obtained as a result of a project: The effect of cryopreservation techniques on (epi)genetic stability of interspecific gentian somatic hybrids
No full textRaw data obtained as a result of AFLP and MSAP analyses performed in frame of a project NCN MINIATURA-7 "The effect of cryopreservation techniques on (epi)genetic stability of interspecific gentian somatic hybrids".</p
The anthropometric indices and inflammatory markers of women with overweight and obesity after 8-week energy-restricted ketogenic diet
No full textThe dataset contains raw data obtained in a randomized, single-centre, controlled trial was conducted with adult, non-menopausal women with a BMI of 25.5-35 without any chronic diseases, which were following energy-restricted ketogenic diet for eight weeks. Data were collected at the baseline, after 4 weeks, after 8 weeks and 1 year after completing the nutritional intervention.The study protocol details can be found here: https://doi.org/10.1371/journal.pone.0285283The study has been registered in ClinicalTrail.gov. Registration number: NCT05652972.Please consult the readme.txt file for additional information.</p
Power-sharing w dyskursie wczesnoszkolnym
No full textZałączono surowe dane powstałe w ramach realizacji projekt Power-sharing w dyskursie wczesnoszkolnym (Preludium, 2023/49/N/HS6/00132). Dane pochodzą z 5 wywiadów oraz 5x2 dni obserwacji lekcji w 5 klasach 1-3 szkoły podstawowej. Dane zanonimizowano. Nazwy plików utworzono na podstawie metody badawczej oraz miejsca badania, np. wywiadwieś.Planowane badanie miało na celu rozpoznanie i opis praktyk dzielenia się władzą w klasie szkolnej na etapie edukacji wczesnoszkolnej w Polsce (klasy I-III). Grupa badawcza: 5 klas w wieku wczesnoszkolnym z województwa kujawsko-pomorskiego, PolskaBadanie przeprowadzone przez mgr Natalię Stek-Łopatkę w maju i czerwcu 2025 roku.-----Raw data generated as part of the Power-sharing in Early School Discourse project (Preludium, 2023/49/N/HS6/00132) are included. Data comes from five interviews and five two-day lesson observations in five grades 1-3 of primary school. The data has been anonymized. File names were created based on the research method and study location, e.g., "interviewvillage."The planned study aimed to identify and describe power-sharing practices in the early school classroom in Poland (grades 1-3).Research group: Five early school-age classes from the Kuyavian-Pomeranian Voivodeship, PolandThe study was conducted by Natalia Stek-Łopatka, M.A., in May and June 2025.</p
Udział miast w międzynarodowych procesach decyzyjnych – wpływ wybranych miast europejskich na prawo międzynarodowe i stosunki międzynarodowe - część 8
No full textTranskrypcje wywiadów z przedstawicielami miast, sieci miast i organizacji międzynarodowych:1. 3 maja 2022 r. – wywiad online z Felip Roca Blasco, Director of the Department of International Relations in Barcelona – dr hab. Robert Gawłowski, prof. WSB.2. 7 czerwca 2022 r. – wywiad z Kristofferem Bengtssonem z urzędu miasta Sztokholmu (International Affairs Officer, City of Stockholm, Executive Office) – dr hab. Agnieszka Szpak, prof. UMK.3. 15 czerwca 2022 r. – wywiad z Sabine Gimbrère z urzędu miasta Amsterdamu (Director of the International Office/City of Amsterdam) – mgr Michał Dahl.4. 17 czerwca 2022 r. – wywiad z Martinem Bornem z urzędu miasta Hagi (Policy Advisor, Directorate for International Affairs, Municipality of The Hague) – mgr Michał Dahl.5. 28 października 2022 r. – wywiad z wywiad z Thomasem Honeck’iem z urzędu miasta Berlina (The Governing Mayor of Berlin – Senate Chancellery representative) – dr Paweł Modrzyński.6. 31 października 2022 r. – wywiad z dr. Raymondem Saller’em (Referat für Arbeit und Wirtschaft) z urzędu miasta Monachium – dr Paweł Modrzyński.7. 2 listopada 2022 r. – wywiad z Ignacio Felpeto-Santero z urzędu miasta Strasburga (Directorate of European Relations and International Missions, Strasbourg – European Capital City) oraz Marti Berenguerem z regionu Alzacja (Project Manager Europe – European and Cross-border cooperation Directoriate, Alsace) – dr Joanna Modrzyńska.8. 9 listopada 2022 r. – wywiad online z Lea Boniface (Chargée des relations diplomatiques avec l’Europe Délégation générale aux Relations internationals International Relations Department) i Yann Bhogal z Urzędu Miasta Paryża – dr hab. Robert Gawłowski, prof. WSB.9. 11 listopada 2022 r. – wywiad online z Ángela Escudero Clemente z Urzędu Miasta w Madrycie (Oficina Auxiliar Área Delegada de Internacionalización y Cooperación Área de Gobierno de la Vicealcaldía) – dr hab. Robert Gawłowski, prof. WSB.10. 2 grudnia 2022 r. – wywiad z byłym Sekretarzem Generalnym Kongresu Władz Lokalnych i Regionalnych Rady Europy, Andreasem Kieferem – dr Joanna Modrzyńska.11. 5 grudnia 2022 r. – wywiad z Anniką Lenz Programme Manager Office for Europe and European Institutions, UN-Habitat, The United Nations Human Settlements Programme w Brukseli – dr Joanna Modrzyńska.12. 8 grudnia 2022 r. – wywiad z Dorothe Nielsen, Executive Director Eurocities w Brukseli – dr Joanna Modrzyńska.13. 8 grudnia 2022 r. – wywiad z Carol Thomas Policy Advisor – Governance and Institutional Relations, Council of European Municipalities and Regions (UCLG CEMR) w Brukseli – dr Joanna Modrzyńska.</p
Utilization of Birch Bark-Derived Suberinic Acid Residues as Additives in High Density Fibreboard Production
No full textThis data set contains the results of testing of fiberboards with different amount of suberinic acid esidues (SAR). The SAR obtained from birch outer bark extraction were used in this study to examine the impact of their incorporation into high-density fiberboard (HDF). HDF boards with target densities of 800 kg·m−³ were manufactured using varying SAR contents of 0, 1, 5, 10, 20, and 50%. Standardized tests were conducted to evaluate the mechanical and physical properties of the resulting boards. Mechanical performance was assessed through screw withdrawal resistance, modulus of elasticity, modulus of rupture and internal bond, while surface water absorption, water absorption and thickness swelling were used to evaluate moisture resistance and dimensional stability.</p
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